I haven't read all of the previous posts but I will say that I love many of the names in GoT - but couldn't use them in real life because the names I like are mostly on characters that I don't like. For example, I love the names Theon and Cersei, but those characters are just so... not my favorites. Others I couldn't use because they are so distinctly GoT that I think it would be cheesy - Daenerys, for example.

EDIT: I think the only names I could use in real life would be the more mainstream ones: Jon, Robb, Arya,etc. but, with the exception of Arya, these names are uninspiring to me.

Brienne is on my list. I love Ren for a boy, so I love Renly too.
Selyse is a pretty name. I don't know much about the character yet. She is the daughter of Stannis Baratheon, and she is deformed.
I like the name Sansa too, but I don't know how I feel about the character. Sometimes I like her, sometimes I hate her. Same goes with Theon.
As a name nerd, while reading the books I pronounced Jaime Lannister Hi-mee. Jaime is the feminine spelling of Jamie. Anyone else find that odd?JohnSnow is a super awesome name, and is best said together. The actor has a pretty cool name himself. He is very easy on the eyes. Great casting there!
I would use Ygritte as a middle name. I would love to have twin girls with middle names Ygritte and Yvaine (Stardust).
Too bad about the popularity of Arya and Aria. I watch Pretty Little Liars too, and I don't think I could use the name. I hate being a follower of trends.
I have read up to A Dance with Dragons. I don't want to get too far ahead of the tv series.

I agree that some of the names are pretty, but it's a huge pet peeve of mine when Sci-Fi/Fantasy writers cram a bunch of letters together and call it a name. One of the big reasons that I listened to the audio book rather than reading the text version of the book.